Technical Data | |||||||
Length(Without Bit) | ND142A | ND180A | ND225A | ND275A | ND330A | ND475A | ND525A |
1388mm | 1520mm | 1745mm | 2626mm | 3870mm | 4080mm | 4260mm | |
Weight(Without Bit) | 102.00kg | 178.00kg | 315.00kg | 650.00kg | 1050.00kg | 2775.00kg | 3626.00kg |
External Diameter | Ø142mm | Ø180mm | Ø225mm | Ø275mm | Ø330mm | Ø475mm | Ø525mm |
Bit Shank | DHD360 | QL80 | NUMA100 | NUMA125 | ND330 | ND475 | ND525 |
Hole Range | Ø155-Ø195mm | Ø195-Ø254mm | Ø254-Ø311mm | Ø305-Ø445mm | Ø350-Ø660mm | Ø508-Ø706mm | Ø610-Ø800mm |
Connection Thread | API3 1”/2REG | API4 1”/2REG | API4 1”/2REG | API6 5”/8REG | API7 5”/8REG | API8 5”/8REG | API8 5”/8REG |
API6 5”/8REG | API7 5”/8REG | ||||||
Working Pressure | 1.0-2.5Mpa | 1.8-3.0Mpa | 1.8-3.0Mpa | 1.8-3.0Mpa | 1.8-3.0Mpa | 2.0-3.0Mpa | 2.0-3.0Mpa |
Impact Rate at 17 Bar | 25HZ | 20HZ | 20HZ | 20HZ | 20HZ | 20HZ | 20HZ |
Recommended Rotation Speed | 20-30r/min | 15-25r/min | 15-25r/min | 15-25r/min | 15-25r/min | 15-25r/min | 15-25r/min |
Air Consumption | 1.0Mpa:9.0m³/min | 1.0Mpa:12.0m³/min | 1.0Mpa:22.0m³/min | 1.0Mpa:28.0m³/min | 1.0Mpa:32.0m³/min | 1.0Mpa:56.0m³/min | 1.0Mpa:50.0m³/min |
1.8Mpa:18.0m³/min | 1.8Mpa:22.0m³/min | 1.8Mpa:40.0m³/min | 1.8Mpa:50.0m³/min | 1.8Mpa:58.0m³/min | 1.8Mpa:75.0m³/min | 1.8Mpa:80.0m³/min | |
2.4Mpa:26.0m³/min | 2.4Mpa:28.0m³/min | 2.4Mpa:65.0m³/min | 2.4Mpa:71.0m³/min | 2.4Mpa:85.0m³/min | 2.4Mpa:85.0m³/min | 2.4Mpa:99.0m³/min |
Item Description | Weight(kg) | ||||||
ND142A | ND180A | ND225A | ND275A | ND330A | ND475A | ND525A | |
1、Top Sub | 20 | 34 | 59 | 230 | 320 | 800 | 960 |
2、 “O” Ring Of Top Sub | 0.02 | 0.015 | 0.03 | 0.04 | 0.1 | 0.02 | 0.03 |
3、Breakout Ring | 0.6 | 0.8 | 1 | 2 | 3.55 | 5 | |
4、Chenck Valve | 0.7 | 1.2 | 1.4 | 2 | 5 | 13.5 | 18 |
5、Spring | 0.1 | 0.1 | 0.3 | 0.5 | 0.8 | 0.35 | 0.45 |
6、Air Distributor | 3.5 | 6 | 10.5 | 16 | 35 | 58.9 | 79.5 |
7、Internal Cylinder | 4.2 | 6.5 | 12.5 | 25 | 30 | 101.6 | 137 |
8、Piston | 23 | 42.5 | 77 | 113 | 190 | 517 | 698 |
9、External Cylinder | 31.5 | 60 | 110 | 170 | 316 | 952 | 1285 |
10、Guided Sleeve | 6.5 | 6.3 | 4.5 | 23 | 38 | 98 | 132 |
11、“O” Ring Of Stop Ring | 0.01 | 0.01 | 0.02 | 0.03 | 0.05 | 0.02 | 0.02 |
12、Stop Ring | 0.6 | 1.4 | 1.9 | 4 | 6 | 14.25 | 19.5 |
13、Breakout Ring | 0.2 | 0.6 | 0.8 | 1 | 2 | 3.55 | 5 |
14、Drive Chuck | 5 | 12 | 21 | 34 | 64 | 162 | 219 |
15、Retainer | 3.5 | 6.5 | 9 | 30 | 42 | 50 | 67.5 |
16、Drill Bit | 27 | 37 | 68 | 185 | 240 | 528 | 1328 |